Home / 1,269,295.20-1,904,029.20-404,661.60

Finding the Fourth Proportional to 1,269,295.20, 1,904,029.20 and 404,661.60

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Solution

The fourth proportional to 1,269,295.20, 1,904,029.20 and 404,661.60 is: 607,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,295.20 : 1,904,029.20 = 404,661.60 : x
  2. Step 2: Convert to fraction form
    1,269,295.20/1,904,029.20 = 404,661.60/x
  3. Step 3: Cross multiply
    1,269,295.20x = 1,904,029.20 × 404,661.60
  4. Step 4: Simplify right side
    1,269,295.20x = 770,487,502,518.72
  5. Step 5: Solve for x
    x = 770,487,502,518.72/1,269,295.20
  6. Step 6: Final answer
    x = 607,019.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.